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Note A - Summary of Significant Accounting Policies (Tables)
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12 Months Ended |
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Sep. 30, 2014
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| Note A - Summary of Significant Accounting Policies (Tables) [Line Items] |
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| Investments Classified by Contractual Maturity Date [Table Text Block] |
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|
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September 30,
2014
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|
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September 30,
2013
|
|
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Less than one year
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$
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6,632,000
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$
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5,992,000
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1-3 years
|
|
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8,302,000
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|
|
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6,770,000
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|
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Total
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$
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14,934,000
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|
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$
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12,762,000
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|
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| Schedule of Inventory, Current [Table Text Block] |
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September 30,
2014
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September 30,
2013
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Raw materials
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$
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3,729,160
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$
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4,110,224
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Work-in-process
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292,557
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494,980
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Finished goods
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1,368,625
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1,021,560
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|
|
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$
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5,390,342
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|
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$
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5,626,764
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|
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| Property, Plant and Equipment [Table Text Block] |
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September 30,
2014
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|
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September 30,
2013
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Manufacturing Equipment
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$
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3,057,665
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$
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2,404,797
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Office Equipment
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1,985,409
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1,862,847
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Leasehold Improvements
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|
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320,218
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|
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127,883
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Vehicles
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192,321
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|
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154,945
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|
|
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5,555,613
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4,550,472
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Less accumulated depreciation
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3,093,363
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2,753,660
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$
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2,462,250
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$
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1,796,812
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|
|
|
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|
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Depreciation expense
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$
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699,306
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$
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475,524
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| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
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Year ended September 30,
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2014
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2013
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|
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2012
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Net income
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$
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5,432,851
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$
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4,733,844
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$
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7,701,194
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Weighted average common shares
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12,916,273
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12,527,153
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12,371,371
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Dilutive potential common shares
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685,321
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551,786
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|
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418,797
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Weighted average dilutive common shares outstanding
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13,601,594
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13,078,939
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12,790,168
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Earnings per share:
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Basic
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$
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0.42
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$
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0.38
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$
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0.62
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Diluted
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$
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0.40
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$
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0.36
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$
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0.60
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|
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Useful Lives [Member]
|
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| Note A - Summary of Significant Accounting Policies (Tables) [Line Items] |
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| Property, Plant and Equipment [Table Text Block] |
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Years
|
|
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Equipment
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3
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7
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Leasehold improvements
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7
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-
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10
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or life of lease
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Vehicles
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3
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